21068552

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1709}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20792248

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 1709, 3082, 3418, 6164, 6836, 12328, 13672, 39307, 78614, 114503, 157228, 229006, 314456, 458012, 916024, 2633569, 5267138, 10534276, 21068552]

約数ペア:

[(1, 21068552), (2, 10534276), (4, 5267138), (8, 2633569), (23, 916024), (46, 458012), (67, 314456), (92, 229006), (134, 157228), (184, 114503), (268, 78614), (536, 39307), (1541, 13672), (1709, 12328), (3082, 6836), (3418, 6164)]